Microwave oven



FIG. 1 is a top perspective view of a microwave oven showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left-side elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a bottom perspective view thereof; and,

FIG. 9 is an enlarged partial cross-section view taken along line 9-9 of FIG. 2 showing an enlarged view of the area bounded by the box 9 of FIG. 5.

The dashed broken lines in the figures depict portions of the microwave oven that form no part of the claimed design.

The dot-dash broken lines in the figures represent an unclaimed boundary line and form no part of the claimed design.

The dot-dot-dash broken lines in the figures represent an area illustrated in an enlargement and form no part of the claimed design. 

CLAIM The ornamental design for a microwave oven, as shown and described. 